56455555584 has 80 divisors (see below), whose sum is σ = 155587497120. Its totient is φ = 18169589760.

The previous prime is 56455555547. The next prime is 56455555591. The reversal of 56455555584 is 48555555465.

It is a super-2 number, since 2×56455555584² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589162 + ... + 678249.

It is an arithmetic number, because the mean of its divisors is an integer number (1944843714).

Almost surely, 2^56455555584 is an apocalyptic number.

It is an amenable number.

56455555584 is an abundant number, since it is smaller than the sum of its proper divisors (99131941536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56455555584 is a wasteful number, since it uses less digits than its factorization.

56455555584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267461 (or 1267445 counting only the distinct ones).

The product of its digits is 60000000, while the sum is 57.

The spelling of 56455555584 in words is "fifty-six billion, four hundred fifty-five million, five hundred fifty-five thousand, five hundred eighty-four".